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|
lex
ignore /space+/
literal `# `{ `}
token id2 /[a-zA-Z_]+/
end
def item2
[id2]
| [`{ item2* `}]
def start2
[item2*]
context ctx
SP: parser<start2>
lex
ignore /space+/
literal `* `( `) `!
token semi_nl /';\n'/
token id /[a-zA-Z_]+/
end
def item
[id]
| [`( item* `)]
def A [] {
print( 'A\n' )
send SP "{ A{d} }"
}
def B [] {
print( 'B\n' )
send SP "{ B{d} }"
}
def start1
[A item* `!]
| [B item* semi_nl]
end # ctx
CTX: ctx = new ctx()
CTX->SP = new parser<start2>()
send CTX->SP "a b{c}"
parse Input: ctx::start1( CTX )[stdin]
send CTX->SP "{e}f g"
print( Input )
print( CTX->SP->finish(), '\n' )
##### IN #####
a b c ( d ) e f g ;
##### EXP #####
A
B
a b c ( d ) e f g ;
a b{c}{ B{d} }{e}f g
|
